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Python Testing and Debugging

Python Testing and Debugging - Important Points


16. What is a syntax error in Python?

A. An error that occurs when the code is not valid Python syntax

B. An error that occurs when the program runs out of memory

C. An error that occurs when the program encounters unexpected input

D. An error that occurs when the program divides by zero

Discuss Work Space

Answer: option a

Explanation:

A syntax error is an error that occurs when the code is not valid Python syntax. It is typically caused by typos or incorrect use of keywords, operators, or punctuation.

17. What is a runtime error in Python?

A. An error that occurs when the code is not valid Python syntax

B. An error that occurs when the program runs out of memory

C. An error that occurs when the program encounters unexpected input

D. An error that occurs during program execution, such as dividing by zero or accessing an undefined variable

Discuss Work Space

Answer: option d

Explanation:

A runtime error is an error that occurs during program execution, such as dividing by zero or accessing an undefined variable. These errors can be harder to catch and may require debugging to diagnose the issue.

18. What is a logical error in Python?

A. An error that occurs when the code is not valid Python syntax

B. An error that occurs when the program runs out of memory

C. An error that occurs when the program encounters unexpected input

D. An error that occurs when the program produces incorrect output due to a flaw in the logic

Discuss Work Space

Answer: option d

Explanation:

A logical error is an error that occurs when the program produces incorrect output due to a flaw in the logic of the code. These errors can be difficult to detect and may require careful inspection and testing to identify and fix.

19. What is unit testing in Python?

A. Testing individual units or components of code in isolation

B. Testing the entire program as a whole

C. Testing user interface interactions

D. Testing database connections

Discuss Work Space

Answer: option a

Explanation:

Unit testing is the practice of testing individual units or components of code in isolation to ensure that they function correctly. This approach helps developers catch errors early and isolate issues to specific parts of the code.

20. What is test-driven development (TDD) in Python?

A. A development process that involves writing tests before writing code

B. A development process that involves writing code before writing tests

C. A development process that involves manual testing

D. A development process that involves testing only after the code is complete

Discuss Work Space

Answer: option a

Explanation:

Test-driven development (TDD) is a development process that involves writing tests before writing code. This approach helps developers think about the requirements of the code and ensures that the code is testable and robust.


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